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GM recalling 2013 Buick LaCrosse, Cadillac SRX over transmission software

The National Highway Traffic Safety Administration has issued recalls for the 2013 Buick LaCrosse and 2013 Cadillac SRX due to a problem with the software for the transmission controller. On about 27,000 SRX and LaCrosse models, the transmission could accidentally be shifted to Sport mode, which would reduce the amount of engine braking drivers experience.
NHTSA says this could increase the risk of a crash, but, fortunately, the required fix is simply an update to the software.
While we're on the subject of General Motors vehicle recalls, a small number (48) of compressed natural gas versions of the 2011 Chevrolet Express are also being recalled for a potential risk of fire or explosion. Yikes. Both official recall notices are posted below.

2017 Buick LaCrosse an evolution of sharp Avenir concept

After years as a bloated, uninspiring, but comfortable near-premium sedan, Buick has taken the wraps off a leaner, lither, far more stylish LaCrosse. The third-generation model has just made its debut at the 2015 Los Angeles Motor Show. While there's a lot to talk about, let's first address the new, Avenir-inspired sheetmetal. The fascia is basically the concept car smoothed over into production form, featuring the same winged trishield. In place of the chrome-trimmed waterfall, the LaCrosse gets a blacked-out, recessed grille with a chrome surround. It looks good in photos but it's better in person, adding a real sense of complexity and depth to the front end. The headlights and lower fascia, meanwhile, adhere closely to the concept. The same cannot be said of the LaCrosse's tail. While the taillight lighting pattern is similar, the overall shape of the lighting element is radically different, refining the design featured on the back of the Regal. Also gone, sadly, is the Avenir's boattail rear deck. Instead, the LaCrosse gets a small rear deck that curves up into a pleasant duckbill spoiler. The rest of the tail is pleasantly restrained. Perhaps the weakest point is the profile, where Buick has instituted a "split-spear" design, featuring a strong shoulder line above the rear wheel well, which sits below an even stronger character line that curves down and towards the front of the car. It strikes us as just a little too much, like the Impala. Underneath that sheetmetal, Buick has managed to trim nearly 300 pounds of body fat, nearly half of which came from the vehicle's actual structure. That 300 lbs, according to Buick's engineers, is equivalent to a Kenmore side-by-side refrigerator, in case you needed a helpful comparison. Despite the weight savings, Buick has upped the torsional rigidity for this new model by 15 percent. The LaCrosse's cabin features a strong, cockpit-like design, with a high, floating-bridge center console. This is possible due to Buick's adaption of the Electronic Precision Shift system, introduced earlier this month on the new Cadillac XT5. Despite the new-fangled console design, Buick's retained the wraparound cabin style introduced on the second-gen model. Based on a quick crawl around the interior, space is great in front, although ingress in back is somewhat difficult due to the roofline. You're probably wondering why we haven't said anything about the mechanicals just yet.

2018 Buick Regal GS is the best Regal since the GNX

The 2018 Buick Regal GS, the third and final variant of the all-new Buick Regal, was revealed this morning. At the event, we were given a brief chance to drive the Regal Sportback, the Regal TourX, and the Regal GS at GM's proving grounds in Milford, MI. Buick has been working hard to shed its image as the brand that comes with an AARP membership card in the glovebox, and this handsome trio is definitely on the right path. With a solid list of features at competitive prices, it's now going to be up to Buick's marketing division to get customers into showrooms. We should say right off the bat that while the old G-Body Grand National and GNX were hardcore giant slayers, the new Regal GS isn't intended to be so sharp edged. Those '80s machines were focused on 0-60 times, and looking as sinister as possible. The new Regal is far more civilized that its forebear. They may share a name, but the purpose has changed. The standard Regal Sportback starts at $25,915 - that's $2,470 less than the outgoing model. It might be the most attractive Buick in decades, at least on the outside. The interior is typical GM, meaning lots of colors and textures without a defining theme. It's powered solely by a 2.0-liter turbocharged inline four making 250 horsepower and 260 pound-feet of torque. Power is sent to the front wheels through a nine-speed automatic. From behind the wheel, the Regal Sportback is quiet, comfortable, and generally relaxed. The 2.0-liter turbo makes a decent amount of power, but the steering and handling remind you that this isn't a sport sedan. That's not a fault, simply a conscious design choice. Despite what some enthusiasts would lead you to believe, not everything needs to be set up for the N urburgring. The Regal Sportback soaks up bumps fairly well, though the car felt light going over some larger bumps on GM's handling course. The steering is completely dead, but it doesn't feel loose or sloppy. There's simply no feedback from the tires. On the other hand, the brakes were surprisingly good. The pedal was firm and confidence-inspiring. Stopping quickly from 60 mph provided no drama. View 12 Photos The $29,995 Regal TourX is a high-riding wagon in the vein of the Subaru Outback, Audi A4 Allroad, and Volvo V60 Cross Country. Like those three, the Regal TourX comes standard with some beefy plastic cladding and all-wheel drive, giving some pretense of off-road capability.